How to calculate RSI in excel?

Is there any person who can explain how we can calculate RSI on excel in real time?

Search RSI excel formula on Google.
1 2 links

I have not worked on excel before so i’m a bit curious how to use this formula and how to add scrips in excel in a way that it shows updated market prices with every tick. So i’m looking for a detailed answer

You can directly get live data feed in excel from Pi.
Just open pi and export to excel.

Regarding excel use…
You need play around with excel.
It will take you 5-10 days to get basics of excel.
And excel only have basics. Nothing much advanced in it